days, a decree went out from caesar augustus that all the world should be taxed. >> jesus was born during the reign of the emperor augustus in the sort of a booming economy of the pax romana, the roman peace. and on every coin that augustus had were the words, divi filius, "son of the divine one"-- julius caesar-- son of god. >> this is on every billboard in the mediterranean world. he is the savior of the world, and he brings the peace. now, you may have scruples about how he brings the peace, but he brings peace to rome and as the saying goes in latin, "peace to the rome and quiet to the provinces." >> ( dramatized ): this is he, augustus caesar, son of a god, who shall restore the golden age and spread his empire. >> narrator: rome's empire spread across the mediterranean, sweeping through north africa and reaching as far west as spain. to the east, it encompassed egypt, turkey, greece, and palestine, where jesus was born in the jewish land of judea, then ruled by king herod. >> in judea, the king, herod, was in effect a client king. he ruled almost in place of rome. he was the.